Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which of the following pairs of physical phenomenon and the discoverer is/are correctly matched?
1) James Chadwick: Photoelectric effect
2) Albert Einstein : Neutron
3) Marie Curie: Radium
Select the correct answer using the code given below
1, 2 and 3
1 and 2 only
2 and 3 only
3 only
A glass prism splits white light into different colors. This phenomenon is called the dispersion of light by a prism. Which one of the following statements is correct?
Red light Will deviate the most and it because of the reflection of light.
Violet light will deviate the most and it is because of the refraction of light.
Red light will deviate the most and it is of the refraction of light.
Violet Light will deviate the most and it is, of the reflection of light.
In which one of the following countries is intensive subsistence agriculture not predominantly practiced?
India
Japan
Canada
Indonesia
Numerically two thermometers, one in Fahrenheit scale and another in Celsius scale shall read same at
-40°
0°
-273°
100°
The process whereby certain minerals absorb water, expand and change is called as
Hydration
Oxidation
Hydrolysis
Carbonation
